Pars inferior oblique

Muscle parts

Latin name

Latin muscle parts

Group

Etymology

The English name for this muscle is the long muscle of the neck. Longus is the Latin term for “long.”The word colli comes from the Latin collum, which means the “neck.”

Origin

Anterior tubercles of 3rd to 7th cervical vertebrae and bodies of lower cervical and first three thoracic vertebrae

Insertion

Anterior surface of cervical vertebral bodies

Action

Flexes the neck and rotates it to the opposite side

Nerve supply

Branches from cervical ventral rami (C2, C3, C4, C5, and C6)

Blood supply

The muscle receives blood from the ascending cervical artery, which is a small branch of the inferior thyroid artery from the thyrocervical trunk of the subclavian artery. It also receives blood from the ascending pharyngeal artery.